<?php
/*
 ************************************************************************
 Copyright [2011] [PagSeguro Internet Ltda.]

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ************************************************************************
 */

/**
 * Defines a list of known notification types.
 * This class is not an enum to enable the introduction of new shipping types
 * without breaking this version of the library.
 */
class PagSeguroNotificationType
{

    private static $typeList = array(
        'TRANSACTION' => 'transaction'
    );

    private $value;

    public function __construct($value = null)
    {
        if ($value) {
            $this->value = $value;
        }
    }

    public function setValue($value)
    {
        $this->value = $value;
    }

    public function setByType($type)
    {
        if (isset(self::$typeList[$type])) {
            $this->value = self::$typeList[$type];
        } else {
            throw new Exception("undefined index $type");
        }
    }

    public function getValue()
    {
        return $this->value;
    }

    /**
     * @param value
     * @return the PagSeguroNotificationType corresponding to the informed value
     */
    public function getTypeFromValue($value = null)
    {
        $value = ($value == null ? $this->value : $value);
        return array_search($this->value, self::$typeList);
    }
}
